Claude 3 Opus vs Grok 3
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 3 by xAI wins on 14 of 14 benchmarks against Claude 3 Opus by Anthropic, which leads on 0. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Grok 3 scores 1402 on Chatbot Arena ELO compared to Claude 3 Opus's 1240, while Grok 3 scores 74.0% on MMLU-Pro compared to Claude 3 Opus's 68.0%.
Coding: In coding, Grok 3 scores 82.0% on HumanEval+ compared to Claude 3 Opus's 78.0%, while Grok 3 scores 42.0% on SWE-bench Verified compared to Claude 3 Opus's 22.0%, while Grok 3 scores 79.4% on LiveCodeBench compared to Claude 3 Opus's 32.0%.
Math: In math, Grok 3 scores 82.0% on MATH compared to Claude 3 Opus's 68.0%, while Grok 3 scores 93.0% on GSM8K compared to Claude 3 Opus's 88.0%.
Reasoning: In reasoning, Grok 3 scores 84.6% on GPQA Diamond compared to Claude 3 Opus's 59.4%, while Grok 3 scores 28.0% on ARC-AGI compared to Claude 3 Opus's 8.0%.
Context: In context, Grok 3 scores 1.0M on Context Length compared to Claude 3 Opus's 200K.
Pricing Comparison
Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M output tokens, while Grok 3 costs $3.0/1M input and $15.0/1M output. Grok 3 is the more affordable option for API usage.
Speed Comparison
Claude 3 Opus generates output at 25 tok/s compared to Grok 3's 65 tok/s, and the time to first token is 800 ms for Claude 3 Opus versus 400 ms for Grok 3. Grok 3 delivers faster throughput.
Verdict
Grok 3 leads across the board in coding, general intelligence, math, affordability, speed, making it the stronger overall choice in this comparison.
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Claude 3 Opus vs Grok 3 — FAQ
Which is better, Claude 3 Opus or Grok 3?
Grok 3 wins on more benchmarks overall (14 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude 3 Opus compare to Grok 3 for coding?
Grok 3 is better for coding, scoring 42.0% on SWE-bench Verified compared to 22.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude 3 Opus cheaper than Grok 3?
Yes, Grok 3 is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. Grok 3 costs $3.0/1M input and $15.0/1M output tokens.
Which is faster, Claude 3 Opus or Grok 3?
Grok 3 is faster, generating output at 65 tok/s compared to 25 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude 3 Opus vs Grok 3 comparison cover?
This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.